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Flatten without losing transparency

Nov 5, 2012, 19:41
Post: #1
Flatten without losing transparency
Is there an easy way to flatten without losing transparency?
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Nov 5, 2012, 20:04 (This post was last modified: Nov 5, 2012 20:05 by PaulSlocum.)
Post: #2
RE: Flatten without losing transparency
(Nov 5, 2012 19:57)ofnuts Wrote:  Flattening doesn't discard transparency

It sure seems to on the Mac version, perhaps it's another of many bugs in this new version. If I create a new image with one transparent layer, fill half the layer, then flatten then image, then it fills the transparent half when it executes the flatten.
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Nov 6, 2012, 02:54
Post: #3
RE: Flatten without losing transparency
http://qotile.net/temp/Untitled.xcf
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Nov 8, 2012, 15:50
Post: #4
RE: Flatten without losing transparency
(Nov 6, 2012 08:02)ofnuts Wrote:  On the whole flattening the image explicitly is seldom a good thing to do, because it cannot be undone without reverting all other changes (Ctrl-Z), and it's usually useful to keep the distinct layers around.

I need to flatten in order to resize the image to export at different resolutions for my iOS projects. Without flattening, resizing of an image results in artifacts, and is also very slow.
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Nov 8, 2012, 21:13
Post: #5
RE: Flatten without losing transparency
(Nov 5, 2012 19:41)PaulSlocum Wrote:  Is there an easy way to flatten without losing transparency?

"Flattening" = loss of transparency for any given image file. It's useful if you don't mind or need to save an image as .jpg. Otherwise, if you need to save an image's transparency layer(s), but also only want your final image to consist of a single layer (in order to save it as a PNG, for example), you must:
>first merge all layers; you should find this option under-->Image-->Merge visible layers
>export/save as .png, tiff, bmp, etc. (any file format supporting alpha channels)

Then, any resize operations may be done on the exported/saved as image file.
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